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Brand Name : BaoYang
Model Number : GB/T6479-1999
Certification : CE & ISO
Place of Origin : cangzhou
MOQ : 1
Price : Negotiable
Payment Terms : L/C, D/A, D/P, T/T, Western Union
Delivery Time : 7~30 working days
Packaging Details : Standard Export Packing
Name : Seamless Steel Pipe
Process : Hot Rolled Cold Rolled Cold Drawn
Standards : GB/T6479-1999
Material : Carbon Steel alloy steel
Wall Thickness : 1-20mm (0.04 Inch - 0.78 Inch)
Outer Diameter : 6-2500mm
Processing Service : Bending, Punching, Cutting
Usage : Pipeline Transport, Oil/Gas Drilling, Machinery Industry
Grade | Description |
---|---|
20# | Low carbon steel with good ductility and weldability |
16Mn | Low alloy steel with enhanced strength and pressure resistance |
Property | 20# Requirements | 16Mn Requirements |
---|---|---|
Tensile Strength | ≥415 MPa | ≥440 MPa |
Yield Strength | ≥240 MPa | ≥295 MPa |
Elongation | ≥25% | ≥22% |
Hardness | ≤163 HB | ≤187 HB |
Element | 20# Range (%) | 16Mn Range (%) |
---|---|---|
C | 0.16-0.21 | 0.12-0.20 |
Si | ≤0.35 | ≤0.35 |
Mn | ≤0.35 | 1.20-1.50 |
P | ≤0.035 | ≤0.035 |
S | ≤0.035 | ≤0.035 |
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GB/T6479-1999 High-pressure seamless steel pipe for fertilizer equipment Images |